20108956

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23167}}^1$

素因数の和:23209

約数の個数: 24

約数和(自身を含む): 41517056

約数和(自身を除く): 21408100

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 23167, 46334, 92668, 162169, 324338, 648676, 718177, 1436354, 2872708, 5027239, 10054478, 20108956]

約数ペア:

[(1, 20108956), (2, 10054478), (4, 5027239), (7, 2872708), (14, 1436354), (28, 718177), (31, 648676), (62, 324338), (124, 162169), (217, 92668), (434, 46334), (868, 23167)]